Previously released as a compact disc.
Title from resource description page (viewed May 1, 2012).
Recorded: VIII.1974 & I.1975 (1st work); 8-10.XII.1971, No. 2 Studio, Abbey Road, London (6th work); 21-24.IV.1992, Pfarrkirche, Waldsassen (7th work); IX.1997, Rosenhof, Erftstadt (8th work).
Electronic reproduction. Alexandria, VA : Alexander Street Press, 2011. (Classical music library). Available via World Wide Web.